11778142044 has 24 divisors (see below), whose sum is σ = 27484147600. Its totient is φ = 3925787904.

The previous prime is 11778141961. The next prime is 11778142171. The reversal of 11778142044 is 44024187711.

11778142044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11778141993 and 11778142011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268182 + ... + 308994.

Almost surely, 2^11778142044 is an apocalyptic number.

It is an amenable number.

11778142044 is an abundant number, since it is smaller than the sum of its proper divisors (15706005556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11778142044 is a wasteful number, since it uses less digits than its factorization.

11778142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64869 (or 64867 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The spelling of 11778142044 in words is "eleven billion, seven hundred seventy-eight million, one hundred forty-two thousand, forty-four".